Answers

2015-06-02T18:47:13+08:00
Use grapes for the demonstration
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2015-06-04T13:20:11+08:00
The air will enter through the Nose and will pass Nasal passages for the filtering,moistening,and warming of the air down to Trachea  that will go to theBronchi  -> which will go to the Bronchioles for the distribution of air to each -> Alveoli and the exchange of air will happen here. And dont breath to much your lungs will explode thank you.
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